Soul Catchers by Emma Yeo

Elizabeth never meant to kill him. She didn't even know that she could, and by the time she had discovered the truth of her family's curse it was too late. She cannot bring back the dead, not without consequences - but even if it kills her she will
try.

The ghosts that she has seen for her entire life, they are not apparitions or hallucinations of a troubled girl. No, they are a warning. They have stories to tell, and they cannot rest until she knows what her family has done.

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